diff --git a/notes/剑指 offer 题解.md b/notes/剑指 offer 题解.md index c0c5412f..e5dec78f 100644 --- a/notes/剑指 offer 题解.md +++ b/notes/剑指 offer 题解.md @@ -251,8 +251,9 @@ public ArrayList printListFromTailToHead(ListNode listNode) { ### 使用递归 ```java +ArrayList ret = new ArrayList<>(); public ArrayList printListFromTailToHead(ListNode listNode) { - ArrayList ret = new ArrayList<>(); + // ArrayList ret = new ArrayList<>(); if (listNode != null) { ret.addAll(printListFromTailToHead(listNode.next)); ret.add(listNode.val);